:root {
    /* 霓虹赛博朋克主题变量 */
    --primary: #00F5FF;
    --secondary: #FF00E5;
    --accent: #FFE500;
    --dark-bg: #0A0A1A;
    --dark-surface: #141428;
    --dark-panel: #1C1C34;
    --grid-line: rgba(255, 255, 255, 0.06);
    --text-primary: #F6F8FF;
    --text-secondary: rgba(246, 248, 255, 0.72);
    --border-light: rgba(255, 255, 255, 0.12);
    --shadow-neon: 0 10px 60px rgba(0, 245, 255, 0.22);
    --shadow-purple: 0 10px 60px rgba(255, 0, 229, 0.18);
    --shadow-gold: 0 8px 40px rgba(255, 229, 0, 0.12);
    --gradient-cyber: linear-gradient(135deg, #00F5FF 0%, #FF00E5 45%, #8D4CFF 100%);
    --gradient-blue: linear-gradient(135deg, #00F5FF, #00C2FF);
    --gradient-purple: linear-gradient(135deg, #5B4BFA, #FF00E5);
    --gradient-green: linear-gradient(135deg, #0ef4c4, #00D8FF);
    --glass: rgba(20, 20, 40, 0.72);

    /* 排版与尺度 */
    --max-width: 1280px;
    --spacing-xs: 8px;
    --spacing-sm: 12px;
    --spacing-md: 18px;
    --spacing-lg: 28px;
    --spacing-xl: 42px;
    --spacing-2xl: 64px;
    --spacing-3xl: 96px;
    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 22px;
    --radius-pill: 999px;

    --font-heading: 'Orbitron', 'Rajdhani', 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
    --font-body: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
    --font-mono: 'JetBrains Mono', 'Menlo', monospace;

    --text-2xl: 40px;
    --text-xl: 32px;
    --text-lg: 24px;
    --text-md: 18px;
    --text-base: 16px;
    --text-sm: 14px;

    --line-tight: 1.15;
    --line-normal: 1.6;

    --transition-fast: 180ms ease;
    --transition: 320ms ease;
    --transition-slow: 520ms ease;
}

@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@500;600;700&family=Rajdhani:wght@500;600;700&family=Noto+Sans+SC:wght@400;500;700&display=swap');

* {
    box-sizing: border-box;
    padding: 0;
    margin: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    background: radial-gradient(circle at 20% 20%, rgba(0, 245, 255, 0.08), transparent 28%),
                radial-gradient(circle at 80% 0%, rgba(255, 0, 229, 0.08), transparent 30%),
                var(--dark-bg);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: var(--text-base);
    line-height: var(--line-normal);
    min-height: 100vh;
    overflow-x: hidden;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color var(--transition-fast), opacity var(--transition-fast);
}

a:hover {
    color: var(--secondary);
    opacity: 0.9;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    letter-spacing: 0.02em;
}

h1 { font-size: clamp(32px, 5vw, 56px); line-height: var(--line-tight); }
h2 { font-size: clamp(28px, 4vw, 42px); line-height: var(--line-tight); }
h3 { font-size: clamp(22px, 3vw, 32px); }
h4 { font-size: 22px; }

p { color: var(--text-secondary); margin-bottom: var(--spacing-md); }

img { max-width: 100%; display: block; border-radius: var(--radius-md); }

.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

section {
    position: relative;
    padding: var(--spacing-3xl) 0;
}

.section-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.section-kicker {
    padding: 6px 14px;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-pill);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: var(--text-sm);
    color: var(--text-secondary);
    background: linear-gradient(90deg, rgba(0, 245, 255, 0.12), rgba(255, 0, 229, 0.1));
}

.section-title {
    font-size: clamp(28px, 3.6vw, 44px);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.section-title .accent-line {
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, var(--primary), rgba(255,255,255,0));
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--spacing-2xl);
    align-items: center;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--spacing-xl);
}

.grid-auto {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--spacing-xl);
}

.pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    border-radius: var(--radius-pill);
    border: 1px solid var(--border-light);
    color: var(--text-secondary);
    background: rgba(255,255,255,0.04);
    font-size: var(--text-sm);
}

.tag {
    display: inline-flex;
    padding: 6px 12px;
    background: rgba(0, 245, 255, 0.12);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-pill);
    font-size: 12px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.glass-card {
    position: relative;
    padding: var(--spacing-xl);
    background: linear-gradient(145deg, rgba(255,255,255,0.05), rgba(255,255,255,0.02));
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-neon);
}

.glass-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 20% 20%, rgba(0, 245, 255, 0.08), transparent 30%),
                radial-gradient(circle at 80% 0%, rgba(255, 0, 229, 0.08), transparent 32%);
    opacity: 0.7;
    pointer-events: none;
}

.glass-card h3 { margin-bottom: var(--spacing-md); }

.neo-card {
    position: relative;
    padding: var(--spacing-lg);
    background: var(--dark-surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0,0,0,0.4);
    transition: transform var(--transition), box-shadow var(--transition);
}

.neo-card::before {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: inherit;
    border: 1px solid rgba(255,255,255,0.06);
    background: linear-gradient(120deg, rgba(0,245,255,0.12), rgba(255,0,229,0.08));
    opacity: 0;
    transition: opacity var(--transition);
}

.neo-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-neon);
}

.neo-card:hover::before { opacity: 1; }

.btn-neon,
.btn-ghost {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 20px;
    border-radius: var(--radius-pill);
    font-weight: 600;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
}

.btn-neon {
    color: #031019;
    background: linear-gradient(120deg, var(--primary), var(--secondary));
    box-shadow: 0 10px 40px rgba(0,245,255,0.3);
}

.btn-neon:hover { transform: translateY(-2px) scale(1.01); box-shadow: var(--shadow-neon); }

.btn-ghost {
    color: var(--text-primary);
    border-color: var(--border-light);
    background: rgba(255,255,255,0.04);
}

.btn-ghost:hover { border-color: var(--primary); box-shadow: var(--shadow-neon); }

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 26, 0.82);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-light);
}

.navbar-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 18px var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
}

.navbar-logo a {
    display: inline-flex;
    align-items: center;
    gap: 0;
    font-size: var(--text-lg);
    font-weight: 800;
    color: var(--text-primary);
}

.logo-text {
    line-height: 1.2;
    letter-spacing: 0.02em;
}

.logo-icon { display: none; }

.nav-menu {
    list-style: none;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.nav-item { position: relative; }

.nav-link {
    color: var(--text-secondary);
    padding: 10px 14px;
    border-radius: var(--radius-pill);
    transition: color var(--transition-fast), background var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
    background: rgba(0, 245, 255, 0.14);
}

.dropdown-menu {
    position: absolute;
    top: 110%;
    left: 0;
    background: rgba(24, 24, 44, 0.96);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    list-style: none;
    min-width: 220px;
    padding: 10px 0;
    box-shadow: var(--shadow-purple);
    opacity: 0;
    visibility: hidden;
    transform: translateY(6px);
    pointer-events: none;
    transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.nav-item:hover .dropdown-menu,
.nav-item.dropdown.open .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}

.dropdown-menu a {
    display: block;
    padding: 10px 18px;
    color: var(--text-secondary);
}

.dropdown-menu a:hover { background: rgba(0, 245, 255, 0.12); color: var(--text-primary); }

.hamburger {
    display: none;
    width: 46px;
    height: 46px;
    border-radius: 10px;
    border: 1px solid var(--border-light);
    background: rgba(255,255,255,0.04);
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
}

.hamburger span {
    width: 22px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition-fast);
}

/* 英雄区 */
.hero-cyber {
    min-height: 94vh;
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    align-items: center;
    gap: var(--spacing-2xl);
    padding: calc(var(--spacing-3xl) + 40px) 0 var(--spacing-3xl);
}

.hero-visual {
    position: relative;
    min-height: 420px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: linear-gradient(160deg, rgba(0,245,255,0.2), rgba(255,0,229,0.08));
    border: 1px solid var(--border-light);
}

#particle-matrix {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    filter: blur(0.2px);
    opacity: 0.65;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 30% 30%, rgba(0,245,255,0.18), transparent 38%),
                radial-gradient(circle at 80% 10%, rgba(255,0,229,0.16), transparent 40%);
}

.hero-content h1 { margin-bottom: var(--spacing-sm); }

.glitch-text {
    position: relative;
    color: var(--text-primary);
    text-transform: uppercase;
    line-height: 1.05;
}

.glitch-text::before,
.glitch-text::after {
    content: attr(data-text);
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    overflow: hidden;
    clip-path: inset(0 0 0 0);
}

.glitch-text::before { color: rgba(0,245,255,0.8); transform: translate(2px, -2px); }
.glitch-text::after { color: rgba(255,0,229,0.8); transform: translate(-2px, 2px); }

.typing-effect {
    font-family: var(--font-mono);
    color: var(--accent);
    margin-bottom: var(--spacing-lg);
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.typing-cursor {
    width: 10px;
    height: 20px;
    background: var(--accent);
    animation: blink 1s infinite;
}

.hero-actions { display: flex; gap: var(--spacing-md); flex-wrap: wrap; margin-top: var(--spacing-lg); }

.hero-metrics {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.metric-card {
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border-light);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    text-align: center;
}

.metric-card .value { font-size: 26px; font-weight: 700; color: var(--primary); }
.metric-card .label { color: var(--text-secondary); font-size: 13px; }

.scroll-indicator {
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 70px;
    background: linear-gradient(180deg, rgba(0,245,255,0), rgba(0,245,255,0.5));
    overflow: hidden;
}

.scroll-indicator::after {
    content: '';
    position: absolute;
    top: -20px;
    left: -4px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--primary);
    animation: scrollDown 2s infinite;
}

/* 六边形矩阵 */
.services-matrix {
    background: radial-gradient(circle at 20% 20%, rgba(0,245,255,0.06), transparent 30%),
                linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0));
}

.hex-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--spacing-lg);
    position: relative;
}

.hex-item {
    position: relative;
    padding: var(--spacing-lg) var(--spacing-md);
    background: rgba(20, 20, 40, 0.85);
    border: 1px solid var(--border-light);
    clip-path: polygon(25% 0, 75% 0, 100% 50%, 75% 100%, 25% 100%, 0 50%);
    text-align: center;
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    overflow: hidden;
}

.hex-item h3 { margin: var(--spacing-sm) 0; }
.hex-item p { font-size: var(--text-sm); margin-bottom: var(--spacing-sm); }

.hex-item::after {
    content: '';
    position: absolute;
    inset: 6px;
    border: 1px dashed rgba(255,255,255,0.12);
    border-radius: 12px;
    opacity: 0;
    transition: opacity var(--transition);
    clip-path: inherit;
}

.hex-link { color: var(--accent); font-size: var(--text-sm); }

.hex-item:hover {
    transform: translateY(-6px) scale(1.02);
    border-color: var(--primary);
    box-shadow: var(--shadow-neon);
}

.hex-item:hover::after { opacity: 1; }

/* 全息卡片 */
.holo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-lg);
}

.holo-card {
    position: relative;
    padding: var(--spacing-xl);
    background: linear-gradient(140deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02));
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    overflow: hidden;
    transform-style: preserve-3d;
    transition: transform var(--transition), box-shadow var(--transition);
}

.holo-card:hover {
    transform: translateY(-8px) rotateX(2deg) rotateY(-3deg);
    box-shadow: var(--shadow-purple);
}

.holo-card .number-glow {
    font-size: 36px;
    color: var(--accent);
    font-family: var(--font-mono);
}

.holo-card .desc { color: var(--text-secondary); margin-top: var(--spacing-sm); }

/* 案例画廊 */
.cases-gallery { overflow: hidden; }

.case-stream {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: minmax(260px, 320px);
    gap: var(--spacing-lg);
    padding: 10px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
}

.case-card {
    position: relative;
    background: var(--dark-surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
    scroll-snap-align: start;
    box-shadow: 0 16px 40px rgba(0,0,0,0.4);
}

.case-card img { height: 180px; width: 100%; object-fit: cover; border-radius: 0; }

.case-visual { position: relative; }

.data-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(0,0,0,0.1), rgba(0,0,0,0.7));
    display: flex;
    align-items: flex-end;
    padding: var(--spacing-md);
}

.metric {
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.metric em { color: var(--accent); font-style: normal; font-weight: 700; }

.case-card .content { padding: var(--spacing-md); }

/* 合作伙伴 */
.partners-stream {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0));
}

.logo-belt {
    display: flex;
    gap: var(--spacing-lg);
    animation: marquee 18s linear infinite;
}

.logo-chip {
    padding: 14px 18px;
    border-radius: var(--radius-pill);
    border: 1px solid var(--border-light);
    background: rgba(255,255,255,0.04);
    box-shadow: var(--shadow-neon);
    color: var(--text-secondary);
    white-space: nowrap;
}

.logo-track { overflow: hidden; position: relative; }

/* 联系 CTA */
.contact-cta {
    background: linear-gradient(135deg, rgba(0,245,255,0.12), rgba(255,0,229,0.12));
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    border: 1px solid var(--border-light);
    position: relative;
    overflow: hidden;
}

.contact-cta::before {
    content: '';
    position: absolute;
    inset: -40%;
    background: radial-gradient(circle, rgba(0,245,255,0.14), transparent 60%);
    animation: spin 16s linear infinite;
}

.contact-cta > * { position: relative; z-index: 1; }

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.form-grid .full { grid-column: 1 / -1; }

label { color: var(--text-secondary); font-size: var(--text-sm); }

input, textarea, select {
    width: 100%;
    margin-top: 8px;
    padding: 12px 14px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
    background: rgba(255,255,255,0.04);
    color: var(--text-primary);
    font-size: var(--text-base);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

input:focus, textarea:focus, select:focus {
    border-color: var(--primary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(0,245,255,0.16);
}

textarea { min-height: 140px; resize: vertical; }

/* 子页面通用 */
.page-hero {
    padding: 160px 0 100px;
    background: linear-gradient(135deg, rgba(0,245,255,0.18), rgba(255,0,229,0.16));
    border-bottom: 1px solid var(--border-light);
    position: relative;
    overflow: hidden;
}

.page-hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 20% 30%, rgba(255,229,0,0.1), transparent 35%);
}

.page-hero h1 { margin-bottom: var(--spacing-sm); }

.page-meta {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    margin-top: var(--spacing-md);
}

.info-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: var(--spacing-2xl);
}

.highlight-list {
    list-style: none;
    display: grid;
    gap: var(--spacing-sm);
}

.highlight-list li { display: flex; gap: 10px; align-items: flex-start; color: var(--text-secondary); }

.highlight-list .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--primary);
    margin-top: 6px;
}

.neon-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: var(--spacing-md);
    background: rgba(255,255,255,0.02);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.neon-table th,
.neon-table td {
    padding: 14px;
    border-bottom: 1px solid var(--border-light);
    text-align: left;
}

.neon-table th { color: var(--accent); font-weight: 700; background: rgba(0,245,255,0.06); }

/* 时间轴 */
.timeline-3d {
    position: relative;
    padding-left: 28px;
    border-left: 2px solid var(--border-light);
    display: grid;
    gap: var(--spacing-xl);
}

.timeline-item {
    position: relative;
    padding: var(--spacing-lg);
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-neon);
}

.timeline-item::before {
    content: attr(data-year);
    position: absolute;
    left: -28px;
    top: 14px;
    width: 56px;
    height: 28px;
    display: grid;
    place-items: center;
    background: var(--gradient-blue);
    border-radius: var(--radius-pill);
    color: #001018;
    font-weight: 700;
}

/* 新闻列表 */
.news-masonry {
    column-count: 3;
    column-gap: var(--spacing-lg);
}

.news-card {
    break-inside: avoid;
    margin-bottom: var(--spacing-lg);
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    box-shadow: 0 14px 40px rgba(0,0,0,0.35);
}

.news-card h3 { margin: var(--spacing-sm) 0; }
.news-meta { display: flex; gap: 10px; color: var(--text-secondary); font-size: 13px; }

/* 职位卡片 */
.job-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: var(--spacing-lg); }

.job-card {
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    box-shadow: 0 12px 32px rgba(0,0,0,0.35);
}

.job-card h3 { margin-bottom: var(--spacing-sm); }

.job-meta { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: var(--spacing-sm); }

.job-meta .pill { padding: 6px 10px; font-size: 12px; }

/* 联系卡片 */
.contact-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: var(--spacing-lg); }

.contact-card {
    padding: var(--spacing-lg);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    background: rgba(255,255,255,0.03);
}

/* 页脚 */
.footer {
    padding: var(--spacing-2xl) 0 var(--spacing-xl);
    border-top: 1px solid var(--border-light);
    background: rgba(0,0,0,0.4);
}

.footer-content { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: var(--spacing-xl); }

.footer h4 { margin-bottom: var(--spacing-sm); }

.footer ul { list-style: none; display: grid; gap: 10px; }

.footer-bottom { margin-top: var(--spacing-xl); display: flex; justify-content: space-between; align-items: center; gap: var(--spacing-lg); color: var(--text-secondary); }

.footer-links { display: flex; gap: var(--spacing-md); list-style: none; }

/* 动画 */
@keyframes blink { 0%, 50% { opacity: 1; } 50.01%, 100% { opacity: 0; } }
@keyframes scrollDown { 0% { transform: translateY(0); } 100% { transform: translateY(70px); opacity: 0; } }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }

/* 实用类 */
.muted { color: var(--text-secondary); }
.accent { color: var(--accent); }
.divider { height: 1px; background: var(--grid-line); margin: var(--spacing-lg) 0; }
.spacer { height: var(--spacing-xl); }
.shadowed { box-shadow: var(--shadow-neon); }

/* 可视化占位 */
.data-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    border-radius: var(--radius-pill);
    background: rgba(0,245,255,0.08);
    border: 1px solid var(--border-light);
    font-size: 12px;
}

.badge { padding: 6px 10px; background: rgba(255,255,255,0.05); border-radius: var(--radius-pill); font-size: 12px; }

.highlight {
    background: linear-gradient(90deg, rgba(0,245,255,0.08), rgba(255,0,229,0.08));
    padding: 4px 10px;
    border-radius: var(--radius-pill);
}

/* 页面特效选项 */
.cyber-grid-bg {
    background-image: linear-gradient(var(--grid-line) 1px, transparent 1px),
                      linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
    background-size: 32px 32px;
}

.reveal { opacity: 0; transform: translateY(20px); transition: all var(--transition-slow); }
.reveal.in-view { opacity: 1; transform: translateY(0); }

.pill-stack { display: flex; gap: 8px; flex-wrap: wrap; }

.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: var(--spacing-lg); }

.stat-card { padding: var(--spacing-lg); border: 1px solid var(--border-light); border-radius: var(--radius-md); background: rgba(255,255,255,0.03); text-align: center; }
.stat-card .num { font-size: 28px; color: var(--primary); font-weight: 700; }

/* 滚动条样式 */
::-webkit-scrollbar { height: 8px; width: 10px; }
::-webkit-scrollbar-track { background: rgba(255,255,255,0.04); }
::-webkit-scrollbar-thumb { background: linear-gradient(180deg, var(--primary), var(--secondary)); border-radius: 8px; }

/* 打印隐藏多余元素 */
@media print {
    .navbar, .hero-actions, .logo-track, .contact-cta, .footer { display: none !important; }
    body { background: white; color: #111; }
}